diff --git a/gnu/build/bootloader.scm b/gnu/build/bootloader.scm
index 3916930c89..9a89fe55cb 100644
--- a/gnu/build/bootloader.scm
+++ b/gnu/build/bootloader.scm
@@ -94,6 +94,7 @@ (define (install-efi-loader grub-efi esp)
         ;; (not eliminate it).
         (format port
                 "insmod part_msdos~@
+               insmod part_gpt~@
                search --set=root --label Guix_image~@
                configfile /boot/grub/grub.cfg~%")))
     (install-efi grub-efi grub-config esp)